Update dependency keycloak/keycloak to v16

This MR contains the following updates:

Package	Update	Change
keycloak/keycloak	major	12.0.2 -> 16.0.0

---

Release Notes

keycloak/keycloak

v16.0.0

Compare Source

v15.1.1

Compare Source

v15.1.0

Compare Source

v15.0.2

Compare Source

v15.0.1

Compare Source

v15.0.0

Compare Source

v14.0.0

Compare Source

v13.0.1

Compare Source

v13.0.0

Compare Source

v12.0.4

Compare Source

v12.0.3

Compare Source

---

Configuration

Schedule: At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.

defaults/main.yml

 ---
 # renovate: datasource=github-releases depName=keycloak/keycloak
-keycloak_version: 12.0.2
+keycloak_version: 16.0.0
 keycloak_dir: /var/keycloak
 keycloak_archive: keycloak-{{ keycloak_version }}.tar.gz
 keycloak_url: https://github.com/keycloak/keycloak/releases/download/{{ keycloak_version }}/{{keycloak_archive }}